| 稀土-金属共掺杂纳米TiO2的制备及其光催化性能 | |
| Alternative Title | Preparation and Photocatalytic Properties of RE-metal Co-doped TiO2 Nanoparticles |
| 尹荔松; 朱剑; 闻立时; 杨硕; 谢琦谞 | |
| 2008 | |
| Source Publication | 世界科技研究与发展
 |
| ISSN | 1006-6055 |
| Volume | 30.0Issue:002Pages:122-125 |
| Abstract | 采用溶胶-凝胶法制备了稀土La^3＋、Ce^3＋单掺杂及La-Fe、Ce-Fe共掺杂TiO2光催化剂,利用XRD、FE-SEM等手段对样品的结构、形貌进行了表征。以甲基橙为光催化反应模型化合物,考察了掺杂对光催化活性的影响。实验结果表明：稀土-金属掺杂抑制了TiO2锐钛矿相向金红石相的转变,抑制了纳米晶体的生长。掺杂后TiO2光催化剂的光催化性能有明显提高,共掺杂TiO2光催化剂产生了协同效应,其光催化性能优于单掺杂样品,以La0.5%-Fe0.05%共掺杂效果最佳。 |
| Other Abstract | The RE single doped and co-doped TiO2 were prepared by sol-gel method,the structure and shape were characterized by XRD,FE-SEM. The photocatalytic activities were evaluated by degradation of methyl orange. The results show that the co-doping with optimum RE and metal can restrain the transform of anatase structure to rutile structure and the growth of crystal,improve the photocatalytic efficiency. The co-doping of RE and metal show a synergistic effect for photocatalytic activity of TiO2. The co-doped TiO2 show higher photocatalytic activity in degradation of methyl orange than that of single doped TiO2. Titania co-doped with La-Fe for n（La）：n（TiO2）=0.5%,n（Fe）：n（TiO2）=0.05% have the highest photocatalytic efficiency. |
| Keyword | 二氧化钛 共掺杂 光催化 协同效应 |
| Indexed By | CSCD |
| Language | 中文 |
| CSCD ID | CSCD:3311388 |
| Citation statistics |
Cited Times:8[CSCD]
[CSCD Record]
|
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/154906 |
| Collection | 中国科学院金属研究所 |
| Affiliation | 中国科学院金属研究所 |
| Recommended Citation GB/T 7714 | 尹荔松,朱剑,闻立时,等. 稀土-金属共掺杂纳米TiO2的制备及其光催化性能[J]. 世界科技研究与发展,2008,30.0(002):122-125. |
| APA | 尹荔松,朱剑,闻立时,杨硕,&谢琦谞.(2008).稀土-金属共掺杂纳米TiO2的制备及其光催化性能.世界科技研究与发展,30.0(002),122-125. |
| MLA | 尹荔松,et al."稀土-金属共掺杂纳米TiO2的制备及其光催化性能".世界科技研究与发展 30.0.002(2008):122-125. |
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